systembc | f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729

Analysis

max time kernel
133s
max time network
258s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
03-03-2023 22:19

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General

Target

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
Size

6.6MB
MD5

d086940618bcc604f2d17c141f47ae49
SHA1

0efa810ab7e78a1ddf00cd3d2abd43b9be2eb837
SHA256

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729
SHA512

9e4e02bb56580bb55a208f68204860fe64617537b4450cc5b513c14cacec17ca80a58f432a98c4a9bf2d38014c4826e6e17a5cf919638ac2e4bc823507af2e04
SSDEEP

196608:O3mUa51xxehaJ9a1m2asYgqnsKmQUcuJOkoDCNztN:O233xxEaLOYnsKmxQpE3

Score

10^/10

systembc persistence trojan

Malware Config

Extracted

Family

systembc

79.137.203.32:4289

194.87.111.29:4289

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run\socks5 = "powershell.exe -windowstyle hidden -Command \"& 'C:\\Users\\Admin\\AppData\\Local\\Temp\\f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe'\""	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
Key created	\REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

pid	process
1716	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
1716	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

pid	process
1716	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
1716	f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe

C:\Users\Admin\AppData\Local\Temp\f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe
"C:\Users\Admin\AppData\Local\Temp\f65e2dbbc8e81378ad58cef8cfd831dd0ae44be6333bdaf6a84b6f7136338729.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1716

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1716-116-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1716-117-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1716-118-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

Filesize
4KB

Download
memory/1716-119-0x0000000001100000-0x0000000001101000-memory.dmp

Filesize
4KB

Download
memory/1716-120-0x0000000001110000-0x0000000001111000-memory.dmp

Filesize
4KB

Download
memory/1716-121-0x0000000001120000-0x0000000001121000-memory.dmp

Filesize
4KB

Download
memory/1716-122-0x0000000001130000-0x0000000001131000-memory.dmp

Filesize
4KB

Download
memory/1716-123-0x0000000001140000-0x0000000001141000-memory.dmp

Filesize
4KB

Download
memory/1716-124-0x0000000000400000-0x0000000000E3E000-memory.dmp

Filesize
10.2MB

Download